11553005504403 has 96 divisors (see below), whose sum is σ = 18670387507200. Its totient is φ = 6824828587200.

The previous prime is 11553005504323. The next prime is 11553005504441. The reversal of 11553005504403 is 30440550035511.

11553005504403 is a `hidden beast` number, since 1 + 15 + 53 + 0 + 0 + 550 + 4 + 40 + 3 = 666.

It is not a de Polignac number, because 11553005504403 - 2¹⁰ = 11553005503379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11553005504603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1009254826 + ... + 1009266272.

It is an arithmetic number, because the mean of its divisors is an integer number (194483203200).

Almost surely, 2^{11553005504403} is an apocalyptic number.

11553005504403 is a deficient number, since it is larger than the sum of its proper divisors (7117382002797).

11553005504403 is a wasteful number, since it uses less digits than its factorization.

11553005504403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12973 (or 12970 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 11553005504403 its reverse (30440550035511), we get a palindrome (41993555539914).

The spelling of 11553005504403 in words is "eleven trillion, five hundred fifty-three billion, five million, five hundred four thousand, four hundred three".